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    Dr. John Alferes, MD

    Internal Medicine

    • (503) 285-9321

    Dr. Alferes's Overview

    Dr. Alferes graduated from the Oregon Health & Science University School of Medicine in 1982. He works in Portland, OR and specializes in Internal Medicine. Dr. Alferes is affiliated with Kaiser Sunnyside Medical Center and Salem Hospital.

    Dr. Alferes's Experience

    Years in Practice: 34

    Dr. Alferes's Specialties

    Internal Medicine

    Dr. Alferes's Education & Training

    Medical School: Oregon Health & Science University School of Medicine; Graduated 1982

    Dr. Alferes's Rating

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    Overall Rating


    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
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    Dr. Alferes's Accepted Insurance

    Please verify insurance information directly with your doctor's office as it may change frequently.

    • Kaiser Permanente

    Dr. Alferes's Office Information & Appointments

    Office Locations

    Kaiser Permanente Medical Group
    Kaiser Permanente Medical Center

    3550 N Interstate Ave
    Portland, OR 97227
    (503) 285-9321


    Office Hours and Information

    Fax: (503) 249-3439

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 8:00 AM - 8:30 PM
    Tuesday 8:00 AM - 8:30 PM
    Wednesday 8:00 AM - 8:30 PM
    Thursday 8:00 AM - 8:30 PM
    Friday 8:00 AM - 8:30 PM
    Saturday 8:00 AM - 8:30 PM
    Sunday 8:00 AM - 8:30 PM

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